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Cod sursa(job #526418)
#include<stdio.h>
int i,m,n,z,x,v[100000];
int caut0(int x)
{
int i,pas=1<<16;
for(i=0;pas!=0;pas>>=1)
if(i+pas<=n&&v[i+pas]<=x)
i+=pas;
if(v[i]!=x)
return -1;
return i;
}
int caut1(int x)
{
int i,pas=1<<16;
for(i=0;pas!=0;pas>>=1)
if(i+pas<=n&&v[i+pas]<=x)
i+=pas;
return i;
}
int caut2(int x)
{
int i,pas=1<<16;
for(i=0;pas!=0;pas>>=1)
if(i+pas<=n&&v[i+pas]<x)
i+=pas;
return i+1;
}
int main()
{
freopen("cautbin.in","r",stdin);
freopen("cautbin.out","w",stdout);
scanf("%d",&n);
for(i=1;i<=n;i++)
scanf("%d",&v[i]);
scanf("%d",&m);
for(i=1;i<=m;i++)
{
scanf("%d%d",&z,&x);
switch(z)
{
case 0: { printf("%d\n",caut0(x)); break;}
case 1: { printf("%d\n",caut1(x)); break;}
case 2: { printf("%d\n",caut2(x)); break;}
}
}
return 0;
}